diff --git a/evaluator/src/main/kotlin/gay/pizza/pork/evaluator/EvaluationVisitor.kt b/evaluator/src/main/kotlin/gay/pizza/pork/evaluator/EvaluationVisitor.kt
index 1d5d096..699dfcc 100644
--- a/evaluator/src/main/kotlin/gay/pizza/pork/evaluator/EvaluationVisitor.kt
+++ b/evaluator/src/main/kotlin/gay/pizza/pork/evaluator/EvaluationVisitor.kt
@@ -4,7 +4,6 @@ import gay.pizza.pork.ast.*
 
 class EvaluationVisitor(root: Scope) : NodeVisitor<Any> {
   private var currentScope: Scope = root
-  private var insideFastCachePreservation = false
 
   override fun visitIntLiteral(node: IntLiteral): Any = node.value
   override fun visitStringLiteral(node: StringLiteral): Any = node.text
@@ -29,7 +28,7 @@ class EvaluationVisitor(root: Scope) : NodeVisitor<Any> {
 
   override fun visitLambda(node: Lambda): CallableFunction {
     return CallableFunction { arguments ->
-      currentScope = currentScope.fork(inheritFastCache = insideFastCachePreservation)
+      currentScope = currentScope.fork()
       for ((index, argumentSymbol) in node.arguments.withIndex()) {
         currentScope.define(argumentSymbol.id, arguments.values[index])
       }
@@ -105,7 +104,7 @@ class EvaluationVisitor(root: Scope) : NodeVisitor<Any> {
   override fun visitFunctionDefinition(node: FunctionDefinition): Any {
     val blockFunction = visitBlock(node.block) as BlockFunction
     val function = CallableFunction { arguments ->
-      currentScope = currentScope.fork(inheritFastCache = insideFastCachePreservation)
+      currentScope = currentScope.fork(inheritFastCache = true)
       currentScope.fastVariableCache.put(node.symbol.id, currentScope.value(node.symbol.id))
       for ((index, argumentSymbol) in node.arguments.withIndex()) {
         currentScope.define(argumentSymbol.id, arguments.values[index])